#UAC0057 sets eyes on Ukraine exploiting #WinRAR #zeroday #vulnerability (СVE-2023-38831) to spread #PicassoLoader and #CobaltStrike Beacon, as #CERTUA reports. Proactively detect #cyberattacks with #SigmaRules from SOC Prime Platform.
https://socprime.com/blog/cve-2023-38831-detection-uac-0057-group-exploits-a-winrar-zero-day-to-spread-a-picassoloader-variant-and-cobaltstrike-beacon-via-rabbit-algorithm/ #CVE #malware